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https://www.readbyqxmd.com/read/28934730/dihydroartemisinin-and-curcumin-synergistically-induce-apoptosis-in-skov3-cells-via-upregulation-of-mir-124-targeting-midkine
#1
Jiaojiao Zhao, Yuchen Pan, Xiujun Li, Xuefang Zhang, Yaxian Xue, Tingting Wang, Shuli Zhao, Yayi Hou
BACKGROUND/AIM: Women with advanced ovarian carcinoma are less likely to receive platinum-based chemotherapy and surgery due to a greater risk of cytotoxicity and poorer outcomes. We attempted to improve a promising therapy against ovarian cancer by using a combination of dihydroartemisinin (DHA) and curcumin (Cur). METHODS: Human ovarian cancer SKOV3 cells were treated with DHA, Cur alone, or a combination of both. The viability of SKOV3 cells was measured by Cell Counting Kit-8 (CCK-8) and a colony formation assay...
September 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28933218/effects-of-human-es-derived-neural-stem-cell-transplantation-and-kindling-in-a-rat-model-of-traumatic-brain-injury
#2
Stefania Beretta, Kelly M Cunningham, Daniel L Haus, Eric M Gold, Harvey Perez, Luci López-Velázquez, Brian J Cummings
Traumatic brain injury (TBI) is one of the leading causes of death and disability in the population worldwide, with a broad spectrum of symptoms and disabilities. Posttraumatic hyperexcitability is one of the most common neurological disorders that affect people after a head injury. A reliable animal model of posttraumatic hyperexcitability induced by TBI which allows one to test effective treatment strategies is yet to be developed. To address these issues, in the present study, we tested human embryonic stem cell-derived neural stem cell (NSC) transplantation in an animal model of posttraumatic hyperexcitability in which the brain injury was produced in one hemisphere of immunodeficient athymic nude rats by controlled cortical impact, and spontaneous seizures were produced by repeated electrical stimulation (kindling) in the contralateral hemisphere...
July 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28932937/foxn1-deficiency-from-the-discovery-to-novel-therapeutic-approaches
#3
REVIEW
Vera Gallo, Emilia Cirillo, Giuliana Giardino, Claudio Pignata
Since the discovery of FOXN1 deficiency, the human counterpart of the nude mouse, a growing body of evidence investigating the role of FOXN1 in thymus and skin, has been published. FOXN1 has emerged as fundamental for thymus development, function, and homeostasis, representing the master regulator of thymic epithelial and T cell development. In the skin, it also plays a pivotal role in keratinocytes and hair follicle cell differentiation, although the underlying molecular mechanisms still remain to be fully elucidated...
September 21, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28930912/reducing-elevated-heart-rates-in-patients-with-multiple-organ-dysfunction-syndrome-with-the-if-funny-channel-current-inhibitor-ivabradine
#4
Sebastian Nuding, Jochen Schröder, Peter Presek, Andreas Wienke, Ursula Müller-Werdan, Henning Ebelt, Karl Werdan
INTRODUCTION: A heart rate higher than 90 beats/min indicates an unfavorable prognosis for patients with multiple organ dysfunction syndrome (MODS). We sought to investigate the effect of the pacemaker current (If) inhibitor ivabradine on heart rate, hemodynamics, and disease severity among patients with MODS. MATERIAL AND METHODS: In this prospective, controlled, randomized, open-label, two-arm phase II trial, seventy patients with MODS, a sinus rhythm of at least 90 beats/min, and contraindications to β-blocker therapy were randomly assigned to receive the standard treatment ± ivabradine (5 mg twice daily) for 96 h via the enteral route...
September 19, 2017: Shock
https://www.readbyqxmd.com/read/28928883/ahnak-as-a-prognosis-factor-suppresses-the-tumor-progression-in-glioma
#5
Zijin Zhao, Songhua Xiao, Xianrui Yuan, Jian Yuan, Chi Zhang, Haoyu Li, Jun Su, Xiangyu Wang, Qing Liu
PURPOSE: AHNAK is originally identified as a giant protein based on the estimated size of approximately 700 kDa. The aim of this study is to identify the role of AHNAK in the pathogenesis of glioma. METHODS: We tested AHNAK mRNA level in a panel of six human glioma cell lines, and in 30 cases of normal brain tissues and 73 cases of glioma tissue samples using a qRT-PCR method. Further, we analyzed the relationship of AHNAK expression with clinicopathological characteristics in glioma patients...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28927121/the-role-of-jagged1-notch-pathway-mediated-angiogenesis-of-hepatocarcinoma-cells-in-vitro-and-the-effects-of-the-spleen-invigorating-and-blood-stasis-removing-recipe
#6
Juze Lin, Yongxin Lin, Le Su, Qiao Su, Wei Guo, Xuhui Huang, Changjun Wang, Lizhu Lin
The objective of this study was to observe the effect of Jagged1/Notch pathway-mediated angiogenesis on the in vitro proliferation of hepatocellular carcinoma cells, and the effect and possible mechanism of the spleen-invigorating and blood stasis-removing recipe. Spleen-invigorating and blood stasis-removing recipe serum from SPF grade nude mice was prepared, and the fingerprint of the drugs of the spleen-invigorating and blood stasis-removing recipe and drug serum were identified by HPLC. SMMC-7721 human hepatocellular carcinoma cells were divided into the normal control group, DAPT inhibitor control group, and drug serum group according to the different treatments...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927090/downregulation-of-pdcd4-by-mir-21-suppresses-tumor-transformation-and-proliferation-in-a-nude-mouse-renal-cancer-model
#7
Haixin Yuan, Shiyong Xin, Yaoping Huang, Yingfan Bao, Hao Jiang, Liqing Zhou, Xiaoqiang Ren, Liang Li, Qian Wang, Jianguo Zhang
Programmed cell death 4 (PDCD4) is known to suppress neoplastic transformation, cell proliferation and metastasis, and to be downregulated by microRNA-21 (miR-21) in renal cell carcinoma (RCC) cell lines and tissues. The aim of the present study was to investigate the roles of and association between PDCD4 and miR-21 in a nude mouse renal cancer model. A total of 24 BALB/c male nude mice were randomly assigned into the following three groups: Negative control (NC; n=8), miR-21 inhibitor (n=8) and miR-21 mimic (n=8)...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927087/gimeracil-enhances-the-antitumor-effect-of-cisplatin-in-oral-squamous-cell-carcinoma-cells-in-vitro-and-in-vivo
#8
Koji Harada, Tarannum Ferdous, Toyoko Harada, Takanori Takenawa, Yoshiya Ueyama
Gimeracil or 5-chloro-2,4-dihydroxypyridine (CDHP) enhances the antitumor effects of 5-fluorouracil (5-FU) by inhibiting dihydropyrimidine dehydrogenase (DPD), which is involved in the degradation of 5-FU. CDHP, as part of a combination therapy, was also reported to exert a radiosensitizing effect. Therefore, CDHP may have underlying mechanisms of action other than DPD inhibition. The focus of the present study was to investigate the antitumor effects of CDHP and cisplatin (CDDP) combination treatment in vitro and in vivo against oral squamous cell carcinoma (OSCC) tumors...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927055/silencing-dna-methyltransferase-1-leads-to-the-activation-of-the-esophageal-suppressor-gene-p16-in-vitro-and-in-vivo
#9
Jian Bai, Xue Zhang, Bangqing Liu, Haiyong Wang, Zhenzong Du, Jianfei Song
Previous studies have demonstrated that DNA methyltransferase 1 (DNMT1) is required for the maintenance of DNA methylation and epigenetic changes that may lead to the development of esophageal squamous cell carcinoma (ESCC). In order to investigate whether the silencing of DNMT1 protects tumor suppressor genes, including p16, and is able to be used as a potential therapy for human ESCC, short hairpin RNA targeting DNMT1 (shRNA-DNMT1) was synthesized and transfected into the human ESCC lines KYSE150 and KYSE410, which were then injected into the backs of nude mice prior to harvesting...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927044/isolation-and-characterization-of-adult-mammary-stem-cells-from-breast-cancer-adjacent-tissues
#10
Ai-Ping Shi, Zhi-Min Fan, Ke-Wei Ma, Yan-Fang Jiang, Lei Wang, Ke-Wei Zhang, Shi-Bo Fu, Ning Xu, Zhi-Ru Zhang
Normal adult mammary stem cells (AMSCs) are promising sources for breast reconstruction, particularly following the resection of breast tumors. However, carcinogenic events can potentially convert normal AMSCs to cancer stem cells, posing a safety concern for the use of AMSCs for clinical tissue regeneration. In the present study, AMSCs and autologous primary breast cancer cells were isolated and compared for their ability to differentiate, their gene expression profile, and their potential to form tumors in vivo...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28926892/-effect-and-mechanism-of-silibinin-on-the-inhibition-of-alk-positive-nsclc-cells-by-sensitizing-crizotinib
#11
C C Lin, C H Lu, Y H Pan, L Jiao, H Y Chen, L Li, Y He
Objective: To explore the synergistic effect of silibinin combined with crizotinib on anaplastic lymphoma kinase positive (ALK+ ) non-small cell lung cancer (NSCLC) cells and its mechanism. Methods: H2228 and H3122 cells were treated with silibinin, crizotinib alone or in combination. Cell proliferation was measured by 3-(4, 5-Dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide (MTT) assay and colony formation assay. Migration or invasion ability was tested by wound healing assay or transwell assay, respectively...
September 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28926115/long-non-coding-rna-malat1-promotes-oral-squamous-cell-carcinoma-development-via-microrna-125b-stat3-axis
#12
Shi-Min Chang, Wei-Wei Hu
Oral squamous cell carcinoma (OSCC), as the most common type of oral cancer, is responsible for almost 3% of all malignant tumors worldwide. Non-coding RNAs such as lncRNAs and microRNAs have been involved in many cancers including OSCC. Recently, lncRNA metastasis-associated lung adenocarcinoma transcript-1 (MALAT1) has been reported to play an oncogenic role in OSCC metastasis. However, the underlying mechanism of MALAT1 in regulating OSCC progression remains unclear. The aim of this study was to investigate the specific role of MALAT1 in OSCC development...
September 19, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28925496/study-on-the-relationship-between-the-rassf10-gene-and-the-biological-behavior-of-hepatocellular-carcinoma-cells
#13
J Xie, Y Chen, F Meng, T Shu, Y Liu, L Zhang, Z-X Zhang
OBJECTIVE: To investigate the relationship between Ras association domain family gene 10 (RASSF10 gene) and the biological behavior of hepatocellular carcinoma (HCC), including proliferation, invasion, and metastasis. MATERIALS AND METHODS: HCC cell lines were generated with stable overexpression or low expression of RASSF10 protein. A cell line transfected with an empty vector was treated as control. At 12, 24, 48, and 72 h, the cell proliferation was determined by MTT assay, the invasion ability was determined by Transwell chambers, and the scratch assay was used to assess the migration ability...
August 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28922982/porcine-mesothelium-wrapped-diced-cartilage-grafts-for-nasal-reconstruction
#14
Athanasios Bramos, David P Perrault, Alexander N Fedenko, Gene H Kim, Sofia Bougioukli, Jay R Lieberman, Jay W Calvert, Alex Wong
<b>Background:</b> Fascia wrapped diced cartilage grafts have become a useful tool in modern rhinoplasty surgery. Unfortunately, fascial harvest is associated with donor site morbidity, therefore a non-autologous alternative to fascia would be ideal. Decellularized porcine mesothelium, Meso BioMatrix<sup>TM</sup>, is an acellular scaffold that could potentially fill this need. To determine if porcine mesothelium could serve as an acceptable alternative, we histologically compared diced cartilage grafts wrapped in fascia versus porcine mesothelium...
September 19, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28921929/tumor-suppressive-mir-145-co-repressed-by-tcf4-%C3%AE-catenin-and-prc2-complexes-forms-double-negative-regulation-loops-with-its-negative-regulators-in-colorectal-cancer
#15
Wei Wang, Xin Xiao, Xu Chen, Yi Huo, Wen-Jin Xi, Zhi-Feng Lin, Dan Zhang, Yu-Fang Li, Fan Yang, Wei-Hong Wen, An-Gang Yang, Tao Wang
The frequently dysregulated Wnt/β-catenin signaling in different malignancies, by activation of its own or orchestration with other co-factors, regulates various oncogenic or tumor-suppressive genes. Among these genes, miRNAs, which are negative posttranscriptional regulators, are also embedded in the Wnt signaling network. Different from the Wnt-induced oncogenic miRNAs, the specific mechanism underlying the Wnt-repressed tumor-suppressive miRNAs is much less understood. In the present study, firstly by analyzing a ChIP-seq dataset against TCF4, the core transcription factor for initiation of Wnt signaling in colorectal cancer (CRC) cells, we screened out several tumor-suppressive miRNAs potentially regulated by Wnt signaling...
September 16, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28921827/the-mir-203-inhibits-cell-proliferation-invasion-and-migration-of-non-small-cell-lung-cancer-by-downregulating-rgs17
#16
Yongbing Chi, Qinqin Jin, Xinghui Liu, Limin Xu, Xiaoxue He, Yan Shen, Qiang Zhou, Jue Zhang, Mingming Jin
The involvement of the RGS17 oncogene in promotion of non-small cell lung cancer (NSCLC) has been reported, but the regulation mechanism in NSCLC remains unclear. MicroRNAs (miRNAs) negatively regulate gene expression, and their dysregulation has been implicated in tumorigenesis. To understand the role of microRNAs in RGS17-induced NSCLC, we showed that miR-203 was downregulated during tumorigenesis, and inhibited the proliferation and invasion of lung cancer cells. We then determined if miR-203 regulated NSCLC by targeting RGS17...
September 16, 2017: Cancer Science
https://www.readbyqxmd.com/read/28919994/effect-of-entinostat-on-nk-cell-mediated-cytotoxicity-against-osteosarcoma-cells-and-osteosarcoma-lung-metastasis
#17
Simin Kiany, Gangxiong Huang, Eugenie S Kleinerman
There is a crucial need for a new therapeutic approach for osteosarcoma (OS) lung metastasis since this disease remains the main cause of mortality in OS. We previously demonstrated that natural killer (NK) cell therapy has minimal efficacy against OS metastasis. This study determined whether the histone deacetylase inhibitor entinostat could immunosensitize OS cells to NK cell lysis and increases the efficacy of NK cell therapy for OS lung metastasis. Entinostat upregulated ligands for NK cell-activating receptors (major histocompatibility complex [MHC] class I polypeptide-related chain A [MICA] and B [MICB]; UL16 binding proteins 1, 2, 5, and 6; and CD155) on OS cells both in vitro and in vivo and led to more susceptibility to NK cell-mediated cytotoxicity in vitro...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28919777/synaptotagmin-7-is-overexpressed-in-hepatocellular-carcinoma-and-regulates-hepatocellular-carcinoma-cell-proliferation-via-chk1-p53-signaling
#18
Hao Jin, Geliang Xu, Qiang Zhang, Qing Pang, Meifang Fang
BACKGROUND: Synaptotagmin-7 (Syt-7) is a member of the synaptotagmin (Syt) family, which plays an important role in many physiological and pathological processes. However, to the best of our knowledge, there is no study describing its function in tumors, particularly in hepatocellular carcinoma (HCC). Therefore, in this study, we examined the role of Syt-7 in HCC and attempted to elucidate its underlying mechanism. MATERIALS AND METHODS: We examined the expression levels of Syt-7 in HCC cell lines and normal hepatocytes by real-time quantitative polymerase chain reaction analysis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28919747/ge11-peptide-conjugated-nanoliposomes-to-enhance-the-combinational-therapeutic-efficacy-of-docetaxel-and-sirna-in-laryngeal-cancers
#19
Wei-Wei Xu, Da-Yu Liu, Ying-Chun Cao, Xiang-Yun Wang
In this study, dual therapeutic-loaded GE11 peptide-conjugated liposomes were developed and applied to enhance therapeutic efficacies of standard-of-care regimens for the treatment of laryngeal cancer. The therapeutic strategy used here was a combination treatment with the chemotherapeutic docetaxel (DTX) and siRNA against the ABCG2 gene that regulates multidrug resistance in many tumor types. Liposome-encapsulated DTX/ABCG2-siRNA molecules were targeted to recognize tumor cells of squamous morphology by conjugation to the EGFR-targeting ligand, GE11...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28919514/hz-6d-targeted-herc5-to-regulate-p53-isgylation-in-human-hepatocellular-carcinoma
#20
Yang Wang, Qi Ding, Tao Xu, Chang-Yao Li, Dan-Dan Zhou, Lei Zhang
Manipulating the posttranslational modulator of p53 is central in the regulation of its activity and function. ISGylated p53 can be degraded by the 20S proteasome. During this process, HERC5/Ceb1, an IFN-induced HECT-type E3 ligase, mediated p53 ISGylation. In this study, we indicated that HERC5 was over-expressed in both HCC tissue samples and cell lines. Knockdown of HERC5 significantly induced the expression of p53, p21 and Bax/Bcl-2 in HCC cells, resulting in apoptosis augment. Whereas, opposite results were obtained by using HERC5 over-expression...
September 14, 2017: Toxicology and Applied Pharmacology
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